Answer:
port 80
Explanation:
port 80 is http. port 443 is https. so if you are trying to be a sneaky little person and eavesdrop on people, eavesdrop on port 80 not port 443 because port 80 is unsecured plaintext data transmission over websites
B
software as a service(SaaS) model
This is because the software applications are accessed over the internet meaning no need for infrastructure installation and maintenance.
hope this help here is the answer